Senior Backend Developer

We’re looking for a Senior Backend Developer to build and optimize high-performance APIs using Node.js. If you have experience with databases (PostgreSQL/MySQL), security (OAuth, JWT), and performance tuning (Redis), we want to hear from you! Bonus points if you know TypeScript, AWS, or PHP. You’ll work closely with front-end and mobile teams, ensuring seamless integrations and smooth user experiences. If you love writing clean, scalable code and solving backend challenges, this role is for you!

Location

Islamabad

Responsibilities

• Design, develop, and optimize secure, high-performance RESTful APIs using Node.js, ensuring authentication and authorization with OAuth, JWT, and API Gateway.
• Manage relational databases, maintain code quality and documentation, and implement unit & integration tests using Jest or Mocha to uphold best practices.
• Collaborate with front-end, mobile, and design teams to ensure seamless API integration and data flow.
• Optimize backend performance to support smooth UI/UX interactions.
• Participate in code reviews and technical discussions with cross-functional teams to improve architecture and efficiency.

Required Skills

Must Have:

• Strong expertise in Node.js for backend development, including asynchronous programming and event-driven architecture.
• Experience with frameworks like Express.js or NestJS.
• API Development: Ability to design, develop, and optimize RESTful APIs using Node.js and Express.js.
• Experience with relational databases (PostgreSQL, MySQL).
• Knowledge of authentication and security best practices (OAuth, JWT, API Gateway).
• Caching & Performance Optimization: Implement caching strategies using Redis to improve application performance.
• Understanding of CMS, preferably Strapi.
• Basic DSA Knowledge: Strong understanding of data structures and algorithms to optimize application logic.
• Version Control & CI/CD: Proficiency with GitHub/GitLab.

Good to Have

• Experience with TypeScript for building scalable and maintainable applications.
• Experience in PHP for developing, maintaining, and integrating backend applications.
• Experience with NoSQL databases (MongoDB).
• Cloud & Infrastructure: Ability to deploy, manage, and scale applications on AWS (EC2, S3, Lambda, API Gateway, CloudWatch).
• Basic understanding of front-end technologies (React, Next.js) for full-stack collaboration.
• Experience with WebSockets and real-time applications.
• Observability & Monitoring: Knowledge of tools like Prometheus, Grafana, ELK Stack, or AWS CloudWatch for logging and performance monitoring.
• Code Quality & Testing: Experience in unit & integration testing using Jest/Mocha and following best coding practices.
• Understanding of microservices architecture.
• Experience in CI/CD pipelines for automated testing and deployment.

Qualifications

• Bachelor's degree in Computer Science, Engineering, or a related field (preferred).
• 3+ years of hands-on experience in Node.js fundamentals,Strapi CMS,static site generation.

Why You’ll Love Working With Us

At TenTwenty, we create a dynamic and inspiring workplace where you can grow and thrive.

• A Fun & Supportive Team – Work with enthusiastic, multicultural colleagues in a friendly, open environment.
• Flat & Collaborative Culture – Open communication, easy collaboration, and direct access to leadership. No unnecessary bureaucracy, just a team working together.
• Flexibility – Our hybrid work model lets you balance personal commitments with professional growth.
• Continuous Growth – Training, learning opportunities, and personal check-ins to support your development.
• Creativity & Innovation – Plenty of room for new ideas, experimentation, and initiative.
• Competitive Salary & Growth – A strong salary package with opportunities for financial growth.
• Health Insurance – We’ve got you covered with comprehensive health insurance.
• International Experience – Work on global projects with a diverse team.
• Fun Perks & Surprises – Team events, birthday surprises, and more.

Ready to join us?

How to apply:

Fill out the application form below to apply. If you’d like to follow up on your application, feel free to contact our team at sanam@tentwenty.me.

Job Type: Full-time

Pay: Rs200,000.00 - Rs300,000.00 per month

Ability to commute/relocate:

• Islamabad Federal Board: Reliably commute or planning to relocate before starting work (Preferred)

Experience:

• backend development: 4 years (Required)

Location:

• Islamabad Federal Board (Required)

Work Location: In person